package com.hqyj.javaSpringBoot.config;

import com.hqyj.javaSpringBoot.interceptor.ViewMappingInterceptor;
import org.apache.catalina.connector.Connector;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.boot.web.embedded.tomcat.TomcatServletWebServerFactory;
import org.springframework.boot.web.servlet.server.ServletWebServerFactory;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.util.ResourceUtils;
import org.springframework.web.servlet.config.annotation.InterceptorRegistry;
import org.springframework.web.servlet.config.annotation.ResourceHandlerRegistry;
import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;

@Configuration
public class WebMvcConfig implements WebMvcConfigurer {
    @Value("${server.http.port}")
    private int httpPort;

    @Autowired
    private ResourcesConfigerBean resourcesConfigerBean;

    @Autowired
    private ViewMappingInterceptor viewMappingInterceptor;

    /**
     * - 注册拦截器
     */
    @Override
    public void addInterceptors(InterceptorRegistry registry) {
        registry.addInterceptor(viewMappingInterceptor).addPathPatterns("/**");
    }

    @Bean
    public Connector connector(){
        Connector connector = new Connector();
        connector.setPort(httpPort);
        connector.setScheme("http");
        return connector;
    }

    @Bean
    public ServletWebServerFactory servletWebServerFactory(){
        TomcatServletWebServerFactory factory = new TomcatServletWebServerFactory();
        factory.addAdditionalTomcatConnectors(connector());
        return factory;
    }

    @Override
    public void addResourceHandlers(ResourceHandlerRegistry registry) {
        String systemName = System.getProperty("os.name");
        if (systemName.toLowerCase().startsWith("win")) {
            // addResourceHandler把本地的路径映射为相对路径
            registry.addResourceHandler(resourcesConfigerBean.getPathPattern())
                    .addResourceLocations(ResourceUtils.FILE_URL_PREFIX +
                            resourcesConfigerBean.getWindowsLocation());
        } else {
            registry.addResourceHandler(resourcesConfigerBean.getPathPattern())
                    .addResourceLocations(ResourceUtils.FILE_URL_PREFIX +
                            resourcesConfigerBean.getLinuxLocation());
        }
    }
}
